1256 ... 1259, 1265 1201, 1211, 1213, 1216 listed as having no reduction gear serial numbers in reference 2 x 1,280bhp Hooven-Owen-Rentschler RB-99DA diesel engines, Westinghouse single reduction gear (18) 790, 796 ... 798, 805, 806, 808, 809, 811, 812, 823, 824, 1185, 1188, 1189, 1218, 1255, 1264 4 x 1,440bhp 6-cylinder ALCO 540 diesel engines, Westinghouse single reduction gear (3) 1083 ... 1085 obviously a mistake has been made there. Conway's All the worlds fighting ships even lists 1084 as a representative member and gives it only 2 engines 2 x 1,440bhp General Motors 16-278A diesel engines, Farrel-Birmingham single reduction gear (57) 1086 ... 1091, 1140 ... 1149, 1167 ... 1175, 1243 ... 1250, 1546 ... 1569 listed as having Westinghouse gears: 1165 See also List of patrol vessels of the United States Navy List of Escorteurs of the French Navy Citations References Friedman, Norman (1987). US Small Combatants, Including PT-Boats, Subchasers, and the Brown-Water Navy: An Illustrated Design History Submarine chaser classes Ship classes of the French Navy